*{
    padding:0;
    margin:0;
}
/*下面为放大镜的样式*/
.small-box,.big-box{
    display:inline-block;
    width:200px;
    height:300px;
    border:1px solid black;
}
.small-box{
    background:url(../mm.jpg) no-repeat ;
    background-size:100% 100%;
    position: relative;

}
.big-box{
    display: none;
    background:url(../mm.jpg) no-repeat;
    background-size:2000px 3000px;
    background-position: 0px 0px;
}
.hover-box{
    display: none;
    width: 100px;
    height: 150px;
    background: rgba(1,1,1,.5);
    position: absolute;
    top:0;
    left:0;
     transform:translate(-50%,-50%);
    z-index:1;
    cursor:move;
    font-size:0;

}

